JPS5340297A - Driving system of liquid crystal display unit - Google Patents
Driving system of liquid crystal display unitInfo
- Publication number
- JPS5340297A JPS5340297A JP11505576A JP11505576A JPS5340297A JP S5340297 A JPS5340297 A JP S5340297A JP 11505576 A JP11505576 A JP 11505576A JP 11505576 A JP11505576 A JP 11505576A JP S5340297 A JPS5340297 A JP S5340297A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display unit
- crystal display
- driving system
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
PURPOSE: To vary the driving effective voltage by changing the driving signal duty of a liquid crystal display unit without changing the line voltage, and thus to ensure a effective display modulation with a low power sunsumption for the matrix driving.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11505576A JPS5340297A (en) | 1976-09-25 | 1976-09-25 | Driving system of liquid crystal display unit |
GB47860/76A GB1564032A (en) | 1975-11-18 | 1976-11-17 | Method and device fordriving liquid crystal display matrix |
US05/742,971 US4100540A (en) | 1975-11-18 | 1976-11-17 | Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption |
CH1454876A CH619833B (en) | 1975-11-18 | 1976-11-18 | METHOD FOR EXCITING A LIQUID CRYSTAL INDICATOR AND CIRCUIT FOR CARRYING OUT THE METHOD. |
DE2652576A DE2652576C2 (en) | 1975-11-18 | 1976-11-18 | Method of operating a liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11505576A JPS5340297A (en) | 1976-09-25 | 1976-09-25 | Driving system of liquid crystal display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5340297A true JPS5340297A (en) | 1978-04-12 |
Family
ID=14653049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11505576A Pending JPS5340297A (en) | 1975-11-18 | 1976-09-25 | Driving system of liquid crystal display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5340297A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57196677A (en) * | 1981-05-29 | 1982-12-02 | Hitachi Ltd | Storage device for character graphic information |
-
1976
- 1976-09-25 JP JP11505576A patent/JPS5340297A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57196677A (en) * | 1981-05-29 | 1982-12-02 | Hitachi Ltd | Storage device for character graphic information |
JPH031876B2 (en) * | 1981-05-29 | 1991-01-11 | Hitachi Ltd |
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